Product Name
QKI Recombinant Mouse Monoclonal Antibody [PSH10-21] - BSA and Azide free
Antibody Type
Recombinant Mouse Monoclonal Antibody
Immunogen
Recombinant protein within human QKI aa 1-341 / 341.
Validated Applications
WB, IF-Cell, IHC-P, IHC-Fr, IP
Target Molecular Weight
Predicted band size: 38 kDa
Positive Control
HeLa cell lysate, Mouse brain tissue lysate, Mouse cerebellum tissue lysate, Rat cerebellum tissue lysate, HeLa, mouse cerebellum tissue, rat cerebellum tissue.
Storage Instructions
Store at 2-8℃. Avoid freeze.
Purification Method
Protein A affinity purified.
Function
Quaking homolog, KH domain RNA binding (mouse), also known as QKI, is a protein which in humans is encoded by the QKI gene. QKI belongs to a family of RNA-binding proteins called STAR proteins for Signal Transduction and Activation of RNA. They have an HNRNPK homology (KH) domain embedded in a 200-amino acid region called the GSG domain. Other members of this family include SAM68 (KHDRBS1) and SF1. Two more new members are KHDRBS3 and KHDRBS2. The QKI gene is implicated as being important in schizophrenia, and QKI controls translation of many oligodendrocyte-related genes.
Background References
1. Zhao Z et al. QKI shuttles internal m(7)G-modified transcripts into stress granules and modulates mRNA metabolism. Cell. 2023 Jul
2. Suh YY et al. MYB/MYBL1::QKI fusion-positive diffuse glioma. J Neuropathol Exp Neurol. 2023 Feb
Synonyms
DKFZp586I0923 antibody
HKQ antibody
Homolog of mouse quaking QKI KH domain RNA binding protein antibody
Hqk antibody
HQK1 antibody
HqkI antibody
OTTHUMP00000017581 antibody
OTTHUMP00000017582 antibody
OTTHUMP00000017583 antibody
Protein quaking antibody
Expand
DKFZp586I0923 antibody
HKQ antibody
Homolog of mouse quaking QKI KH domain RNA binding protein antibody
Hqk antibody
HQK1 antibody
HqkI antibody
OTTHUMP00000017581 antibody
OTTHUMP00000017582 antibody
OTTHUMP00000017583 antibody
Protein quaking antibody
QK antibody
QK1 antibody
QK3 antibody
QKI antibody
QKI_HUMAN antibody
QKI1 antibody
Quaking homolog antibody
Quaking homolog KH domain RNA binding antibody
Quaking homolog KH domain RNA binding mouse antibody
Quaking isoform 1 antibody
Quaking protein antibody
RNA binding protein HQK antibody
Collapse
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This data was developed using HA601377, the same antibody clone in a different buffer formulation.
Western blot analysis of QKI on different lysates with Mouse anti-QKI antibody (HA601377) at 1/2,000 dilution.
Lane 1: HeLa cell lysate
Lane 2: Mouse brain tissue lysate
Lane 3: Mouse cerebellum tissue lysate
Lane 4: Rat cerebellum tissue lysate
Lysates/proteins at 30 µg/Lane.
Predicted band size: 38 kDa
Observed band size: 35-38 kDa
Exposure time: 3 minutes; ECL: K1801;
4-20% SDS-PAGE gel.
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (HA601377) at 1/2,000 dilution was used in 5% NFDM/TBST at 4℃ overnight. Goat Anti-Mouse IgG - HRP Secondary Antibody (HA1006) at 1/50,000 dilution was used for 1 hour at room temperature.
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This data was developed using HA601377, the same antibody clone in a different buffer formulation.
Immunocytochemistry analysis of HeLa cells labeling QKI with Mouse anti-QKI antibody (HA601377) at 1/100 dilution.
Cells were fixed in 4% paraformaldehyde for 15 minutes at room temperature, permeabilized with 0.1% Triton X-100 in PBS for 15 minutes at room temperature, then blocked with 1% BSA in 10% negative goat serum for 1 hour at room temperature. Cells were then incubated with Mouse anti-QKI antibody (HA601377) at 1/100 dilution in 1% BSA in PBST overnight at 4 ℃. Goat Anti-Mouse IgG H&L (iFluor™ 488, HA1125) was used as the secondary antibody at 1/1,000 dilution. PBS instead of the primary antibody was used as the secondary antibody only control. Nuclear DNA was labelled in blue with DAPI.
beta Tubulin (ET1602-4, red) was stained at 1/100 dilution overnight at +4℃. Goat Anti-Rabbit IgG H&L (iFluor™ 594, HA1122) were used as the secondary antibody at 1/1,000 dilution.
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This data was developed using HA601377, the same antibody clone in a different buffer formulation.
Immunofluorescence analysis of frozen mouse cerebellum tissue with Mouse anti-QKI antibody (HA601377) at 1/500 dilution.
The section was not undergone antigen retrieval. The tissues were blocked in 10% negative goat serum for 1 hour at room temperature, washed with PBS, and then probed with the primary antibody (HA601377, green) at 1/500 dilution overnight at 4 ℃, washed with PBS. Goat Anti-Mouse IgG H&L (iFluor™ 488, HA1125) was used as the secondary antibody at 1/1,000 dilution. Nuclei were counterstained with DAPI (blue).
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This data was developed using HA601377, the same antibody clone in a different buffer formulation.
Immunohistochemical analysis of paraffin-embedded mouse cerebellum tissue with Mouse anti-QKI antibody (HA601377) at 1/200 dilution.
The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 20 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (HA601377) at 1/200 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
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This data was developed using HA601377, the same antibody clone in a different buffer formulation.
Immunohistochemical analysis of paraffin-embedded rat cerebellum tissue with Mouse anti-QKI antibody (HA601377) at 1/200 dilution.
The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 20 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (HA601377) at 1/200 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
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This data was developed using HA601377, the same antibody clone in a different buffer formulation.
QKI was immunoprecipitated from 0.2 mg HeLa cell lysate with HA601377 at 2 µg/10 µl beads. Western blot was performed from the immunoprecipitate using HA601377 at 1/1,000 dilution. Anti-Mouse IgG for IP, AlpSdAbs® VHH(HRP) (001-100-005) at 1/5,000 dilution was used for 1 hour at room temperature.
Lane 1: HeLa cell lysate (input)
Lane 2: HA601377 IP in HeLa cell lysate
Lane 3: Mouse IgG instead of HA601377 in HeLa cell lysate
Blocking/Dilution buffer: 5% NFDM/TBST
Exposure time: 3 minutes; ECL: K1801
Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"